A roadside spring pooling in an old bathtub where anyone can stop and sip.

This historic lavatory leftover features two levels of defecation stations completely without context.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

Former hotel turned into haunted playground.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Buy a token from the liquor store and you can make this beast spew flames on command.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.

An eclectic assortment of medieval architecture in a small Iowa town.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

Giant granite rocks standing end-to-end like a train of circus elephants.

This is not your typical jungle gym.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

These massive mitts are made of 30 tons of devotional bronze.

Erosion and time have created a naturally-formed water park.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

An acoustic anomaly with a mysterious cause.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.